Home / 11,007,019.40-16,477,869.90-8,179,665.80

Finding the Fourth Proportional to 11,007,019.40, 16,477,869.90 and 8,179,665.80

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Solution

The fourth proportional to 11,007,019.40, 16,477,869.90 and 8,179,665.80 is: 12,245,228.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,007,019.40 : 16,477,869.90 = 8,179,665.80 : x
  2. Step 2: Convert to fraction form
    11,007,019.40/16,477,869.90 = 8,179,665.80/x
  3. Step 3: Cross multiply
    11,007,019.40x = 16,477,869.90 × 8,179,665.80
  4. Step 4: Simplify right side
    11,007,019.40x = 134,783,468,877,879.42
  5. Step 5: Solve for x
    x = 134,783,468,877,879.42/11,007,019.40
  6. Step 6: Final answer
    x = 12,245,228.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.